1,000ml Spherical Flask, Round Bottom, 3 Necks 29/32
1,000 ml round-bottomed flask with 3 parallel neck connections: 29/32 female standard ground-glass joint.
Spherical bottom glass vessel with long narrow neck.
Made of borosilicate glass ASTM E-438 Type 1, Boron 3.3 of the Glassco brand.
Compliant with DIN 12394 & USP standard.
The diameter of the balloon is 131 mm.
See data sheet for dimensions.
1,000ml spherical flask with 3 parallel neck connections, 29/32
Instrument for distillation and boiling processes, for the uniform scalding of the substances contained in it, for sweeping substances, among other uses. Useful instrument to form a laboratory equipment that adapts to the need of the process to be done.
Made of borosilicate glass 3.3 of the Glassco brand.
White silkscreen with writing area.
General properties of borosilicate glass 3.3
This glass is distinguished by its very good chemical resistance to water, salt solutions, acids, bases and organic solvents. It is only attacked by hydrofluoric acid and, at high temperatures, by strong bases and phosphoric acid.
80.00% Silica; SiO2
12.50% Boron trioxide; B2O3
2.40% of Aluminium oxide; Al2O3
3.80% of sodium oxide; Na2O
1.00% of potassium oxide; K2O
0.30% of iron oxide; Fe2O3
Hydrolytic according to DIN 12111 and ISO 719: Class 1
Acid-resistant according to DIN 12116: Class 1
Alkaline according to DIN 52322 and ISO 695: Class 2
Coefficient of linear expansion: 3.3
Processing temperature: 534° C
Upper annealing temperature: 550° C
Lower annealing temperature: 494° C
Maximum working temperature: 500° C
- Product Type
- Spherical Flask, Round Bottom
- 1,000 ml / 1 litre
- Borosilicate Glass
- Neck Finish Recipient
- Ground-Glass - Narrow
- 131 mm Ø
- Standard Ground-Glass Joint
- Body Shape
- Spherical Shaped
- Neck Shape
- Narrow Neck
- Rim Shape
- Bottom Shape
- Round Bottom
- 210 mm
- Suitable for food use
- International Standards
- DIN 12394 & USP standard
- by Unit